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Note 9 - Earnings Per Share (Tables)
 3 Months Ended
Apr. 01, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
For the Three Months Ended
 
(in
thousands, except per share amounts
)
 
April 1, 2017
 
 
April 2, 2016
 
Numerator:
 
 
 
 
 
 
 
 
Net income as reported
  $
38,891
     $
19,289
  
                 
Denominator:
 
 
 
 
 
 
 
 
Weighted average shares outstanding
                
Basic
    
22,748
      
22,438
  
Effect of dilutive securities
    
241
      
183
  
Diluted
    
22,989
      
22,621
  
                 
Earnings Per Share:
 
 
 
 
 
 
 
 
Basic earnings per share
   $
1.71
     $
0.86
  
Diluted earnings per share
   $
1.69
     $
0.85